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Newer Rebel T7 hot shoe center pin

DedTreeJig
Apprentice

I just purchased a Rebel T7.  I know the original version did not have the center pin on the hot shoe, however mine does have the center pin.  Does anyone know if the center pin is active?  Would I be able to use a third-party flash with the camera?

1 ACCEPTED SOLUTION

normadel
Rising Star

Where did you get your info?

A flash shoe without the center pin can't be a hot shoe. The center pin is the "hot" pin. Without it a flash can't be fired. So YES, your center pin is active and live.

You can use a third-party flash meant for Canons, though Canon doesn't recommend it. You can even use a manual  flash from the pre-digital days, if it has a trigger voltage no higher than 6 volts. There are varying opinions on how high a trigger voltage is dangerous for the camera, but 6 volts is safe.

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7 REPLIES 7

normadel
Rising Star

Where did you get your info?

A flash shoe without the center pin can't be a hot shoe. The center pin is the "hot" pin. Without it a flash can't be fired. So YES, your center pin is active and live.

You can use a third-party flash meant for Canons, though Canon doesn't recommend it. You can even use a manual  flash from the pre-digital days, if it has a trigger voltage no higher than 6 volts. There are varying opinions on how high a trigger voltage is dangerous for the camera, but 6 volts is safe.

Thanks for the information, I really appreciate it.

jrhoffman75
Legend

For clarity, do you have a T7 or a T7i? I haven't seen any info that Canon made a running change to the T7 and added the center pin. 

Even without the center pin the shoe is "hot" since it is powered with signal level voltage, but it will only fire Canon flashes.  A "cold shoe" is a flash shoe that will hold a flash unit but there is no signal to it. 

John Hoffman
Conway, NH

1D X Mark III, Many lenses, Pixma PRO-100, Pixma TR8620a, LR Classic

So the function of a center pin was moved to one of the other four little pins?  What Canon flashes can utilize this center-pin-less camera shoe? 

The whole idea sounds strange. Why would Canon do this?

FFC0AE3C-4437-422C-A2E7-6FF904321B2F.jpeg

John Hoffman
Conway, NH

1D X Mark III, Many lenses, Pixma PRO-100, Pixma TR8620a, LR Classic

"Why would Canon do this?"  Probably for exactly the same reason that Canon will not release electronic connectivity data for the RF Lens system to other lens manufacturers.  Have you checked the prices of current Canon flash units recently? 🙂

While changes in connectivity standards may bring increased functionality, they also can bring exclusivity and elimination of competition (at least for a while). As always, elimination of competition will almost always bring elevated profits.

 

Lotus7
Rising Star

"A flash shoe without the center pin can't be a hot shoe. The center pin is the "hot" pin. Without it a flash can't be fired."

In fact, many Canon and Sony cameras have Hot Shoes that do not include the center pin. Starting in May 2019, Canon began selling many models using the new 4-contact only hot shoe with NO center pin. Sony did the same even earlier. The new 4-pin hot shoe was/is compatible only with certain Canon-brand flashes.

Apparently, because of the backlash created by elimination of the center pin Canon has re-introduced the center pin contact on some, but not all cameras.  There are 3rd party adapters available that allow use of most "traditional" flash units with the "center-pinless" hot shoes, although it's still not advisable to use a flash with a high trigger contact voltage.Screen Shot 2022-10-01 at 2.34.27 PM.png

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